Question: in a normally distributed data set with a mean of...

In a normally distributed data set with a mean of 22 and a standard deviation of 4.1, what percentage of the data would be between 17.9 and 26.1?

a)95% based on the Empirical Rule

b)99.7% based on the Empirical Rule

c)68% based on the Empirical Rule

d)68% based on the histogram